Modbus ETNG History Record Format
- Michael Standal
Overview
History records can be retrieved from the RTU and stored in various formats. The sections below describe the field names used for the various history record types.
Log Period Record Format
| Field Name | Field Type |
|---|---|
Timestamp | DateTime |
FlowingTime (DB2 protocol only) | Float |
DifferentialPressure | Float |
StaticPressure | Float |
Temperature | Float |
Extension (DB2 protocol only) | Float |
Volume | Float |
Energy | Float |
SpecificHeatRatio | Float |
SpecificGravity | Float |
CarbonDioxide | Float |
Nitrogen | Float |
Methane | Float |
Ethane | Float |
Propane | Float |
iButane | Float |
nButane | Float |
iPentane | Float |
nPentane | Float |
Hexane | Float |
Heptane | Float |
Oxygen | Float |
Octane | Float |
Nonane | Float |
Decane | Float |
Argon | Float |
Sequence | Integer (I4) |
TotalLogPerTime | Integer (I4) |
LogPerAlarm | Integer (I4) |
Daily Record Format
| Field Name | Field Type |
|---|---|
Timestamp | DateTime |
Extension | Float |
Volume | Float |
Energy | Float |
StaticPressure | Float |
MinAP | Float |
MaxAP | Float |
PerctAPLow | Float |
PerctAPHigh | Float |
DifferentialPressure | Float |
MinDP | Float |
MaxDP | Float |
PerctDPLow | Float |
PerctDPHigh | Float |
Temperature | Float |
MinTf | Float |
MaxTf | Float |
PerctTfLow | Float |
PerctTfHigh | Float |
FlowingTime | Float |
Backflow | Float |
TotalDailyTime | Float |
DailyAlarm | Float |
ContractHour | Integer (I2) |
LPStartSeq | Integer (I4) |
LPEndSeq | Integer (I4) |
Alarm Record Format
| Field Name | Field Type |
|---|---|
Timestamp | DateTime |
AlarmValue | Integer (I4) |
AlarmType | Text |
AlarmState | Text |
AlarmDescription | Text |
Event Record Format
| Field Name | Field Type |
|---|---|
Timestamp | DateTime |
EventSource | Integer (I4) |
Description | Text |
EventOldValue | Float |
EventNewValue | Float |
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